CN205763263U - The striker self-returning continuous force transmission punching shear structure - Google Patents

Abstract

A firing pin self-return continuing force transmission punching shear structure used for punching equipment comprises an upper template, a stripper plate, a striking column, a firing pin, a precise guide column, a stripper spring and a fixed pressing sleeve, wherein the precise guide column is arranged on two sides of the upper template, the striking column is arranged at the axis position, and the stripper spring connected with the stripper plate is arranged between the precise guide column and the striking column; the stripper plate is provided with a guide sleeve correspondingly matched with the precise guide pillar, and the precise guide pillar is in sliding fit in the guide sleeve; the axis position of the stripper plate is coaxially provided with a firing pin with the striking column, the firing pin is movably matched and installed in a firing pin installation hole through a fixed pressing sleeve, a limiting table is arranged in the firing pin installation hole, and a firing pin reset spring is arranged in the limiting table. The utility model discloses because the towards needle is two body structures, the actual working stroke shortens, has effectively avoided because the problem of the broken needle accident appears easily in the stroke length, has practical use value.

Description

The striker self-returning continuous force transmission punching shear structure

technical field

The utility model relates to a self-returning and continuous force transmission punching and shearing structure of a striker used in stamping equipment.

Background technique

Stamping processing is one of the various types of mechanical processing. It is used to meet the needs of various stamping processing. It has the characteristics of high efficiency, high quality, simplicity, and low carbon. It is widely used in the field of production and processing.

The use of punching needle punching is a processing method often used in stamping processing. In the past, in order to meet the needs of the stroke length of the punching machine tool, the punching needle used in the punching process was a long needle with an integrated structure. Using a long needle with an integrated structure can realize the stamping process of punching, but because of the error of related parameters such as equipment or molds, accidents of broken needles sometimes occur due to collisions, which will not only cause damage to tools and products, but also pose potential safety hazards. , can not meet the requirements of modern society for industrial production saving, green and safety.

Contents of the invention

The purpose of this utility model is to transmit the design of the punching and shearing structure through the self-returning force of the striker, so that the punching needle has a two-body structure, the actual working stroke is shortened, and the problem of needle breakage accidents that are prone to occur due to the long stroke is effectively avoided.

The utility model is composed of an upper template, a stripping plate, a striker, a striker, a precision guide post, a stripping spring and a fixed pressure sleeve. The upper template is provided with precision guide posts on both sides, and the shaft center is provided with a strike post. The precision guide There is a stripping spring connecting the stripping plate between the post and the strike post; a guide sleeve corresponding to the precision guide post is provided on the stripping plate, and the precision guide post slides and fits in the guide sleeve; the axis position of the stripping plate, A striker is arranged coaxially with the striker, and the striker is installed in the striker mounting hole through a fixed pressure sleeve.

The striker is a four-section cylinder, and the uppermost section is a limiting section, which is dynamically fitted in the installation hole by cooperating with the fixed pressure sleeve; the second section from the top is the structural section; the third section is the striker body; and the fourth section is the striker.

The working process of the utility model is as follows: the present invention goes down under the drive of equipment power. When the stripping plate presses the material belt, the upper template continues to go down under the guidance of the precision guide column. Within the limit range of the limit table, punch holes downward. After the punching is completed, the upper template is driven upward by the power of the equipment, and the striker is automatically reset under the action of the return spring.

Because the punching needle of the utility model has a two-body structure, the actual working stroke is shortened, which effectively avoids the problem of easy broken needle accidents due to the long stroke, and has practical use value.

Description of drawings

Accompanying drawing 1 is the structural representation of the present utility model, also is specification sheet abstract with figure. The labels in the figure are: (1) upper template, (2) stripper plate, (3) striker, (4) striker, (5), (6) precision guide pillar, (7), (8) stripper Material spring, (9) fixed pressure sleeve, (10) back-moving spring, (11) limit platform, (12), (13) guide sleeve (14) mounting hole.

detailed description

Provide an embodiment now in conjunction with accompanying drawing and further illustrate the utility model.

Upper template 1 is 150mm long, 50mm wide, and 50mm high; stripping plate 2 is 200mm long, 60mm wide, and 70mm high; striker 3 has a diameter of 25mm, and 60mm high; striker 4 has a limit section diameter of 15mm, a height of 10mm, and a structure section diameter of 30mm negative tolerance, height 20mm, body section diameter 12mm, height 40mm, firing pin diameter 5mm, height 10mm; precision guide post 5, 6 diameter 30mm negative tolerance, length 300mm; stripping spring 7, 8 is a compression spring 30mm in diameter Spring; the fixed pressure sleeve 9 is circular, 5mm thick, and the diameter of the middle fixing hole is 16mm; the return spring 10 is a compression spring with a diameter of 15mm; the height of the limiting platform 11 is 40mm, the diameter of the limiting platform hole is 20mm, and the guide sleeve 12, 13 The diameter is a positive tolerance of 30 mm, and the gap between the precision guide posts 5 and 6 is not greater than 0.007 mm; the diameter of the mounting hole 14 is a positive tolerance of 30 mm, and the gap between the diameter of the striker structure section and the mounting hole is not greater than 0.007 mm.

Claims (1)

1. A punching pin self-returning continuous force transmission punching and shearing structure used in stamping equipment, which is composed of an upper template, a stripping plate, a striker, a striker, a precision guide post, a stripping spring and a fixed pressure sleeve, and is characterized in that: There are precision guide posts on both sides of the template, a striker is set at the center of the axis, and a stripping spring connected to the stripping plate is provided between the precision guide post and the striker; The guide sleeve and the precision guide post are slidingly fitted in the guide sleeve; the axis position of the stripper plate is coaxial with the striker post, and the striker is installed in the striker installation hole through the fixed pressure sleeve, and the striker installation hole is provided with a limit Taiwan, the limit table is provided with a striker return spring.